A joke 10 year olds say to one other, to roastpeople, cause they think it's funny. Mostly used as "Yo Mama" and followed by "so fat" "so stupid" "so ugly"and more. Also, when they finish it laugh at one another cause they think its funny.
Mama also means your mother. But ya know, everyone knows that so we define it as the roasting term
Roaster: Yo mama so stupid when they said "order in the court" she asked for fries and a shake Everyone else but the kid who is getting roasted: OHHHHHH